Update charm libraries

[github-actions]

Automated action to fetch latest version of charm libraries. The branch of this PR
will be wiped during the next check. Unless you really know what you're doing, you
most likely don't want to push any commits to this branch.

[gregory-schiano]

We need to pin pydantic before this PR

[github-actions]

Test coverage for 3e34589

Name                    Stmts   Miss Branch BrPart  Cover   Missing
-------------------------------------------------------------------
src/charm.py               96     17     12      4    81%   48-50, 85->exit, 99, 117-119, 135-137, 162-165, 211-212, 214-215
src/charm_state.py         82      1     10      1    98%   25
src/charm_types.py          8      0      0      0   100%
src/constants.py            6      0      0      0   100%
src/databases.py           52     16     15      2    70%   65-83, 125, 140-141
src/exceptions.py           8      1      0      0    88%   40
src/flask_app.py           16      0      8      1    96%   48->50
src/observability.py       12      0      0      0   100%
src/secret_storage.py      35      1      6      2    93%   45->exit, 74
src/webserver.py           70      4     12      1    94%   127-133, 151
-------------------------------------------------------------------
TOTAL                     385     40     63     11    88%

Static code analysis report

Run started:2023-07-10 14:54:44.722263

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 1893
  Total lines skipped (#nosec): 1
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

[gregory-schiano]

LGTM